{ "story_id": "d10e5af8a6b2cbc8e3866a66ff543747", "desk": "drm3", "revision": 1, "published_at": "2026-09-01T13:24:12.000Z", "content_hash": "a51ca3ab738493c8d624bb0f0b6feef10d8120297355a4dc5ae9acabf34d6205", "hash_basis": "sha256 over `headline\\ndek\\nprose`, plus `\\n` + the canonical citations JSON when any source is placed, plus `\\n#blog` for blogs", "basis": { "headline": "Night Owls Face Higher Mental Health Risks Than Early Birds", "dek": "A Finnish study links night owl chronotypes to higher anxiety, depression, and slower work recovery.", "prose": "Ilona Merikanto and colleagues published a population-based study in the journal Sleep Health on 2026-08-31 regarding the link between circadian rhythm and mental health. [^1]\n\nResearchers found that mental health problems, particularly anxiety and depression disorders, are particularly pronounced among extreme evening types compared to morning types. [^2]\n\nResearchers published a study in the journal Sleep Health finding that people who prefer late bedtimes and wake times are more likely to experience symptoms of anxiety and depression. [^3]\n\nThe association between being a night owl and anxiety disorders appeared to be related to poor recovery from work and challenges in balancing work and personal life. [^4]\n\nThe study examined 2,266 working-age individuals in Finland, dividing them into morning, evening, and intermediate types based on their circadian rhythms. [^5]\n\nParticipants with extreme evening chronotypes reported worse recovery after work and greater difficulty maintaining a balance between work and personal life. [^6]\n\nThe study included 2,266 working residents of Finland who were categorized into 'larks', 'owls', and intermediate chronotypes. [^7]\n\nA review published in Brain Medicine on August 25 highlighted that scientists have largely focused on monophasic sleep blocks, despite the prevalence of segmented sleep patterns globally. [^8]\n\nMohammed Al-Abri, a sleep medicine researcher at Sultan Qaboos University in Muscat, Oman, noted that many people in Muslim-majority countries wake before dawn for prayers and often take afternoon naps to recover. [^9]\n\nResearchers reported in January 2025 in Obesity that propensity for napping is highly heritable, and individuals who nap against their genetic predisposition showed an increased risk of obesity. [^10]\n\nThe researchers noted that the study did not prove that a late sleep schedule itself directly causes mental disorders. [^11]", "cited": "[{\"statement\":\"Ilona Merikanto and colleagues published a population-based study in the journal Sleep Health on 2026-08-31 regarding the link between circadian rhythm and mental health.\",\"source\":\"Medical Xpress\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-09-01T02:20:04.000Z\",\"publisher_count\":1,\"sources\":[\"Medical Xpress\"]},{\"statement\":\"Researchers found that mental health problems, particularly anxiety and depression disorders, are particularly pronounced among extreme evening types compared to morning types.\",\"source\":\"Medical Xpress\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-09-01T02:20:04.000Z\",\"publisher_count\":1,\"sources\":[\"Medical Xpress\"]},{\"statement\":\"Researchers published a study in the journal Sleep Health finding that people who prefer late bedtimes and wake times are more likely to experience symptoms of anxiety and depression.\",\"source\":\"Lenta.ru\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-09-01T13:24:12.000Z\",\"publisher_count\":1,\"sources\":[\"Lenta.ru\"]},{\"statement\":\"The association between being a night owl and anxiety disorders appeared to be related to poor recovery from work and challenges in balancing work and personal life.\",\"source\":\"Medical Xpress\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-09-01T02:20:04.000Z\",\"publisher_count\":1,\"sources\":[\"Medical Xpress\"]},{\"statement\":\"The study examined 2,266 working-age individuals in Finland, dividing them into morning, evening, and intermediate types based on their circadian rhythms.\",\"source\":\"Medical Xpress\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-09-01T02:20:04.000Z\",\"publisher_count\":1,\"sources\":[\"Medical Xpress\"]},{\"statement\":\"Participants with extreme evening chronotypes reported worse recovery after work and greater 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